Compressed gas propelled aerosol devices
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United States of America Patent
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Aug 28, 2001
Grant Date -
N/A
app pub date -
Jun 28, 2000
filing date -
Oct 28, 1997
priority date (Note) -
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Abstract
A method of reducing the droplet sizes of a composition sprayed from an aerosol spray device comprising a compressed gas propellant, which method comprises imparting a unipolar charge to the liquid droplets by double layer charging during the spraying of the liquid droplets from the aerosol spray device, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at least +/-1.times.10.sup.-4 C/kg.
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